SurrealDB

Document(
    page_content=<json encoded string containing the result document>,
    metadata={
        'id': <document id>,
        'ns': <namespace name>,
        'db': <database_name>,
        'table': <table name>,
        ... <additional fields from metadata property of the document>
    }
)

# pip install -qU  surrealdb langchain langchain-community

# add this import for running in jupyter notebook
import nest_asyncio

nest_asyncio.apply()

import json

from langchain_community.document_loaders.surrealdb import SurrealDBLoader

loader = SurrealDBLoader(
    dburl="ws://:8000/rpc",
    ns="langchain",
    db="database",
    table="documents",
    db_user="root",
    db_pass="root",
    filter_criteria={},
)
docs = loader.load()
len(docs)

42

doc = docs[-1]
doc.metadata

{'id': 'documents:zzz434sa584xl3b4ohvk',
 'source': '../../how_to/state_of_the_union.txt',
 'ns': 'langchain',
 'db': 'database',
 'table': 'documents'}

len(doc.page_content)

18078

page_content = json.loads(doc.page_content)

page_content["text"]

'When we use taxpayer dollars to rebuild America – we are going to Buy American: buy American products to support American jobs. \n\nThe federal government spends about $600 Billion a year to keep the country safe and secure. \n\nThere’s been a law on the books for almost a century \nto make sure taxpayers’ dollars support American jobs and businesses. \n\nEvery Administration says they’ll do it, but we are actually doing it. \n\nWe will buy American to make sure everything from the deck of an aircraft carrier to the steel on highway guardrails are made in America. \n\nBut to compete for the best jobs of the future, we also need to level the playing field with China and other competitors. \n\nThat’s why it is so important to pass the Bipartisan Innovation Act sitting in Congress that will make record investments in emerging technologies and American manufacturing. \n\nLet me give you one example of why it’s so important to pass it.'